The Ebyte E22-170M30S is an industrial SPI LoRa RF transceiver module built on Semtech SX1262 LoRa chip, supporting 150.125MHz to 170.125MHz low-frequency ISM band, max 30dBm transmit power, up to 10km open-air communication distance, adjustable air data rate 0.018kbps to 62.5kbps, 14mA receiving current, 2 microamp sleep current with software power-off, industrial -20 to +85 Celsius working temperature and built-in 256Byte FIFO buffer for long-range low-power outdoor IoT sensing transmission.
| Parameter Item | Specification | Remarks |
|---|---|---|
| Model Number | E22-170M30S | Low frequency 170MHz LoRa SPI module |
| Core RF Chip | SX1262 (Semtech LoRa chip) | Long-distance spread spectrum modulation |
| Working Frequency Band | 150.125MHz ~ 170.125MHz | Low frequency with strong diffraction penetration |
| Maximum Transmit Power | 30dBm | High power for ultra-long range transmission |
| Nominal Open-Air Communication Distance | 10000m | Measured under standard test environment |
| Configurable Air Data Rate | 0.018kbps ~ 62.5kbps | Balance transmission speed and receiving sensitivity |
| Hardware Communication Interface | SPI | High-speed serial peripheral interface for MCU connection |
| Receiving Working Current | 14mA | Low power consumption for continuous data reception |
| Sleep Mode Current | 2 microamp | Support software shutdown to cut power consumption |
| Built-in FIFO Buffer Size | 256Byte | Reduce MCU data processing pressure |
| Industrial Operating Temperature | -20 Celsius ~ +85 Celsius | Adapt to outdoor harsh climate environment |
| Modulation Technology | LoRa Spread Spectrum | Strong anti-interference, ultra-high receiving sensitivity |
Technical Specifications
RF Parameters
- Transmit Power: 30dBm
- Reference Range: 10,000m (clear conditions, 5dBi antenna)
- Modulation: LoRa™ technology
Electrical Parameters
- Operating Voltage: 3.3-5.5V
- Transmit Current: 650mA (instantaneous)
- Communication Level: 3.3V logic
Hardware Parameters
- Dimensions: 24×38.5mm
- Interface: 1.27mm stamp hole
- Antenna: IPEX1/stamp hole (50Ω impedance)
Application Scenarios
Industrial Monitoring
Sensor networks in manufacturing facilities requiring long-range communication
Smart Infrastructure
Building automation systems and utility metering applications
Remote Sensing
Environmental monitoring in challenging terrain conditions
Other product features
Practical Application Scenarios
1. Mountain Forest Fire Prevention & Geological Hazard Monitoring
The E22-170M30S 170MHz low-frequency LoRa module features powerful wave diffraction capability, which can bypass mountain ridges, dense woods and hillside barriers. It is deployed with Ebyte soil displacement sensors, temperature and humidity acquisition nodes to build forest monitoring networks. Its 10km ultra-long transmission range covers large mountainous areas, 2 microamp sleep current enables battery-powered nodes to work for multiple years without frequent maintenance, and the 256Byte FIFO buffer ensures stable transmission of geological displacement and fire risk data to valley central gateways.
2. River Basin Hydrology & Reservoir Remote Monitoring System
Integrate this SPI LoRa module into water level gauges, flow transmitters and water quality sensors distributed along long-distance river channels. The 170MHz low frequency band avoids signal attenuation caused by water surface reflection and fog interference; 30dBm high transmit power guarantees stable cross-river wireless communication. It matches Ebyte RS485 DTUs to forward hydrological monitoring data to municipal industrial control platforms, supporting unattended all-season outdoor monitoring.
3. Oil & Gas Pipeline Remote Leakage Detection
Install E22-170M30S on pipeline vibration sensors, gas concentration detectors and pressure collection terminals laid along buried oil and gas pipelines. Low-frequency LoRa signals penetrate soil and shallow metal pipeline barriers effectively; adjustable low air rate improves weak signal receiving sensitivity. The industrial wide temperature design adapts to seasonal temperature changes of buried pipelines, realizing real-time wireless uploading of pipeline leakage alarm data to remote monitoring stations without wired cable laying.
4. Large-Scale Pasture Animal Tracking & Livestock Environmental Monitoring
Embed the module into livestock tracking collars and pasture weather sensor nodes for wide-range ranch IoT networking. The 10km communication distance covers vast grassland without signal blind zones; ultra-low sleep current reduces power loss of animal wearable devices. Cooperate with Ebyte LoRaWAN gateways to aggregate livestock positioning, pasture temperature and humidity data, supporting pasture intelligent breeding and grazing area management.
5. Remote Mountain Road Traffic Safety Monitoring
Equip roadside slope monitoring sensors, road ice detection nodes and vehicle counting equipment with E22-170M30S. Its strong diffraction performance solves signal blocking problems from mountain curves and rock masses; LoRa spread spectrum technology resists electromagnetic interference from mountain power lines. The SPI interface supports seamless connection with road monitoring MCU, realizing long-distance wireless transmission of road hazard warning data to highway management center.
FAQ Section
1. What MCU hardware can match the SPI interface of E22-170M30S?
This LoRa module adopts standard SPI communication bus, compatible with all mainstream industrial MCU with SPI peripheral including STM32, ESP32, PIC, AVR and TI MSP430. Users only need to connect SCK, MOSI, MISO and CS pins of the chip, and Ebyte provides open-source SPI driver code for rapid secondary development.
2. Why does the 170MHz low frequency band have longer transmission distance than 433MHz/915MHz LoRa modules?
Low-frequency radio waves below 200MHz feature longer wavelength and stronger diffraction and penetration capacity. The 170MHz band can bypass hills, dense vegetation and soil barriers with less signal attenuation, so it achieves longer actual communication distance in mountain, forest and buried pipeline scenarios compared with medium-high frequency LoRa modules.
3. Can the transmit power of E22-170M30S be adjusted dynamically during operation?
Yes, the module supports dynamic transmit power adjustment through SPI register configuration, adjustable range from 5dBm to max 30dBm. Engineers can lower transmit power for short-distance sensor nodes to reduce power consumption, and boost to full 30dBm power for ultra-long-distance cross-valley transmission.
4. What data transmission optimization does the built-in 256Byte FIFO buffer bring?
The 256Byte hardware FIFO buffer stores received LoRa data temporarily, which avoids packet loss caused by MCU processing delay. It reduces the frequency of MCU interrupt response, optimizes low-power sleep logic of main control chips, and improves the stability of continuous mass sensor data uploading.
5. Does Ebyte provide official RF certification documents for overseas export of E22-170M30S?
The E22-170M30S LoRa module has passed CE and FCC RF certification, complete certification test reports and certificates can be downloaded from Ebyte official website. It meets the low-frequency ISM band access standards of Europe, Southeast Asia and Australia, supporting OEM finished machine export without extra third-party RF testing for most regions.
